Abstract:
The present invention relates to a method and apparatus for controlling a specific service in a network congestion state in a wireless communication system. Particularly, the method for controlling a service by a base station in a wireless communication system according to the present invention comprises: a step of receiving a paging message from a mobility management entity (MME) when a certain terminal generates a downlink packet; a step of checking the setup state of the core network domain included in the paging message; and a paging processing step of, if the core network domain is set as a packet-based voice call service, processing the paging message as a priority.
Abstract:
The present invention relates to a method and apparatus for controlling a specific service in a network congestion state in a wireless communication system. Particularly, the method for controlling a service by a base station in a wireless communication system according to the present invention comprises: a step of receiving a paging message from a mobility management entity (MME) when a certain terminal generates a downlink packet; a step of checking the setup state of the core network domain included in the paging message; and a paging processing step of, if the core network domain is set as a packet-based voice call service, processing the paging message as a priority.
Abstract:
The present invention relates to a method and apparatus for controlling a specific service in a network congestion state in a wireless communication system. Particularly, the method for controlling a service by a base station in a wireless communication system according to the present invention comprises: a step of receiving a paging message from a mobility management entity (MME) when a certain terminal generates a downlink packet; a step of checking the setup state of the core network domain included in the paging message; and a paging processing step of, if the core network domain is set as a packet-based voice call service, processing the paging message as a priority.
Abstract:
A method of etching a metal barrier layer and a metal layer is provided. The method includes forming the metal barrier layer and the metal layer on a substrate, and using an etching composition to etch the metal barrier layer and the metal layer. The etching composition may include an oxidant selected from nitric acid, bromic acid, iodic acid, perchloric acid, perbromic acid, periodic acid, sulfuric acid, methane sulfonic acid, p-toluenesulfonic acid, benzenesulfonic acid, or a combination thereof, a metal etching inhibitor including a compound expressed by Chemical Formula 1, and a metal oxide solubilizer selected from phosphoric acid, phosphate, carboxylic acid having 3 to 20 carbon atoms, or a combination thereof.
Abstract:
The present invention relates to a method and apparatus for controlling a specific service in a network congestion state in a wireless communication system. Particularly, the method for controlling a service by a base station in a wireless communication system according to the present invention comprises: a step of receiving a paging message from a mobility management entity (MME) when a certain terminal generates a downlink packet; a step of checking the setup state of the core network domain included in the paging message; and a paging processing step of, if the core network domain is set as a packet-based voice call service, processing the paging message as a priority.
Abstract:
Disclosed is a method of etching a metal barrier layer and a metal layer. The method includes forming the metal barrier layer and the metal layer on a substrate, and using an etching composition to etch the metal barrier layer and the metal layer. The etching composition may include an oxidant selected from nitric acid, bromic acid, iodic acid, perchloric acid, perbromic acid, periodic acid, sulfuric acid, methane sulfonic acid, p-toluenesulfonic acid, benzenesulfonic acid, or a combination thereof, a metal etching inhibitor including a compound expressed by Chemical Formula 1, and a metal oxide solubilizer selected from phosphoric acid, phosphate, carboxylic acid having 3 to 20 carbon atoms, or a combination thereof.